---
title: source
framework: healthkit
role: symbol
role_heading: Instance Property
path: healthkit/hkworkoutzoneconfiguration/source-swift.property
---

# source

A property that identifies the origin of this zone configuration.

## Declaration

```swift
let source: HKWorkoutZoneConfiguration.Source
```

## Mentioned in

Accessing workout zone data

## Discussion

Discussion The source indicates whether the system generated the zones automatically, the person configured them manually in Health Settings, or an app provided them for a specific workout.

## See Also

### Identifying the configuration source

- [HKWorkoutZoneConfiguration.Source](healthkit/hkworkoutzoneconfiguration/source-swift.enum.md)
- [configurationType](healthkit/hkworkoutzoneconfiguration/configurationtype-swift.property.md)
- [HKWorkoutZoneConfiguration.ConfigurationType](healthkit/hkworkoutzoneconfiguration/configurationtype-swift.enum.md)